﻿(function(factory) {
    "use strict";
    if (typeof define === "function" && define.amd) {
        define(["jquery"], factory)
    } else if (typeof exports !== "undefined") {
        module.exports = factory(require("jquery"))
    } else {
        factory(jQuery)
    }
}
)(function($) {
    $.fn.marquee = function(options) {
        return this.each(function() {
            var o = $.extend({}, $.fn.marquee.defaults, options), $this = $(this), $marqueeWrapper, containerWidth, animationCss, verticalDir, elWidth, loopCount = 3, playState = "animation-play-state", css3AnimationIsSupported = false, _prefixedEvent = function(element, type, callback) {
                var pfx = ["webkit", "moz", "MS", "o", ""];
                for (var p = 0; p < pfx.length; p++) {
                    if (!pfx[p])
                        type = type.toLowerCase();
                    element.addEventListener(pfx[p] + type, callback, false)
                }
            }, _objToString = function(obj) {
                var tabjson = [];
                for (var p in obj) {
                    if (obj.hasOwnProperty(p)) {
                        tabjson.push(p + ":" + obj[p])
                    }
                }
                tabjson.push();
                return "{" + tabjson.join(",") + "}"
            }, _startAnimationWithDelay = function() {
                $this.timer = setTimeout(animate, o.delayBeforeStart)
            }, methods = {
                pause: function() {
                    if (css3AnimationIsSupported && o.allowCss3Support) {
                        $marqueeWrapper.css(playState, "paused")
                    } else {
                        if ($.fn.pause) {
                            $marqueeWrapper.pause()
                        }
                    }
                    $this.data("runningStatus", "paused");
                    $this.trigger("paused")
                },
                resume: function() {
                    if (css3AnimationIsSupported && o.allowCss3Support) {
                        $marqueeWrapper.css(playState, "running")
                    } else {
                        if ($.fn.resume) {
                            $marqueeWrapper.resume()
                        }
                    }
                    $this.data("runningStatus", "resumed");
                    $this.trigger("resumed")
                },
                toggle: function() {
                    methods[$this.data("runningStatus") === "resumed" ? "pause" : "resume"]()
                },
                destroy: function() {
                    clearTimeout($this.timer);
                    $this.find("*").addBack().off();
                    $this.html($this.find(".js-marquee:first").html())
                }
            };
            if (typeof options === "string") {
                if ($.isFunction(methods[options])) {
                    if (!$marqueeWrapper) {
                        $marqueeWrapper = $this.find(".js-marquee-wrapper")
                    }
                    if ($this.data("css3AnimationIsSupported") === true) {
                        css3AnimationIsSupported = true
                    }
                    methods[options]()
                }
                return
            }
            var dataAttributes = {}, attr;
            $.each(o, function(key) {
                attr = $this.attr("data-" + key);
                if (typeof attr !== "undefined") {
                    switch (attr) {
                    case "true":
                        attr = true;
                        break;
                    case "false":
                        attr = false;
                        break
                    }
                    o[key] = attr
                }
            });
            if (o.speed) {
                o.duration = parseInt($this.width(), 10) / o.speed * 1e3
            }
            verticalDir = o.direction === "up" || o.direction === "down";
            o.gap = o.duplicated ? parseInt(o.gap) : 0;
            $this.wrapInner('<div class="js-marquee"></div>');
            var $el = $this.find(".js-marquee").css({
                "margin-right": o.gap,
                float: "left"
            });
            if (o.duplicated) {
                $el.clone(true).appendTo($this)
            }
            $this.wrapInner('<div style="width:100000px" class="js-marquee-wrapper"></div>');
            $marqueeWrapper = $this.find(".js-marquee-wrapper");
            if (verticalDir) {
                var containerHeight = $this.height();
                $marqueeWrapper.removeAttr("style");
                $this.height(containerHeight);
                $this.find(".js-marquee").css({
                    float: "none",
                    "margin-bottom": o.gap,
                    "margin-right": 0
                });
                if (o.duplicated) {
                    $this.find(".js-marquee:last").css({
                        "margin-bottom": 0
                    })
                }
                var elHeight = $this.find(".js-marquee:first").height() + o.gap;
                if (o.startVisible && !o.duplicated) {
                    o._completeDuration = (parseInt(elHeight, 10) + parseInt(containerHeight, 10)) / parseInt(containerHeight, 10) * o.duration;
                    o.duration = parseInt(elHeight, 10) / parseInt(containerHeight, 10) * o.duration
                } else {
                    o.duration = (parseInt(elHeight, 10) + parseInt(containerHeight, 10)) / parseInt(containerHeight, 10) * o.duration
                }
            } else {
                elWidth = $this.find(".js-marquee:first").width() + o.gap;
                containerWidth = $this.width();
                if (o.startVisible && !o.duplicated) {
                    o._completeDuration = (parseInt(elWidth, 10) + parseInt(containerWidth, 10)) / parseInt(containerWidth, 10) * o.duration;
                    o.duration = parseInt(elWidth, 10) / parseInt(containerWidth, 10) * o.duration
                } else {
                    o.duration = (parseInt(elWidth, 10) + parseInt(containerWidth, 10)) / parseInt(containerWidth, 10) * o.duration
                }
            }
            if (o.duplicated) {
                o.duration = o.duration / 2
            }
            if (o.allowCss3Support) {
                var elm = document.body || document.createElement("div")
                  , animationName = "marqueeAnimation-" + Math.floor(Math.random() * 1e7)
                  , domPrefixes = "Webkit Moz O ms Khtml".split(" ")
                  , animationString = "animation"
                  , animationCss3Str = ""
                  , keyframeString = "";
                if (elm.style.animation !== undefined) {
                    keyframeString = "@keyframes " + animationName + " ";
                    css3AnimationIsSupported = true
                }
                if (css3AnimationIsSupported === false) {
                    for (var i = 0; i < domPrefixes.length; i++) {
                        if (elm.style[domPrefixes[i] + "AnimationName"] !== undefined) {
                            var prefix = "-" + domPrefixes[i].toLowerCase() + "-";
                            animationString = prefix + animationString;
                            playState = prefix + playState;
                            keyframeString = "@" + prefix + "keyframes " + animationName + " ";
                            css3AnimationIsSupported = true;
                            break
                        }
                    }
                }
                if (css3AnimationIsSupported) {
                    animationCss3Str = animationName + " " + o.duration / 1e3 + "s " + o.delayBeforeStart / 1e3 + "s infinite " + o.css3easing;
                    $this.data("css3AnimationIsSupported", true)
                }
            }
            var _rePositionVertically = function() {
                $marqueeWrapper.css("transform", "translateY(" + (o.direction === "up" ? containerHeight + "px" : "-" + elHeight + "px") + ")")
            }
              , _rePositionHorizontally = function() {
                $marqueeWrapper.css("transform", "translateX(" + (o.direction === "left" ? containerWidth + "px" : "-" + elWidth + "px") + ")")
            };
            if (o.duplicated) {
                if (verticalDir) {
                    if (o.startVisible) {
                        $marqueeWrapper.css("transform", "translateY(0)")
                    } else {
                        $marqueeWrapper.css("transform", "translateY(" + (o.direction === "up" ? containerHeight + "px" : "-" + (elHeight * 2 - o.gap) + "px") + ")")
                    }
                } else {
                    if (o.startVisible) {
                        $marqueeWrapper.css("transform", "translateX(0)")
                    } else {
                        $marqueeWrapper.css("transform", "translateX(" + (o.direction === "left" ? containerWidth + "px" : "-" + (elWidth * 2 - o.gap) + "px") + ")")
                    }
                }
                if (!o.startVisible) {
                    loopCount = 1
                }
            } else if (o.startVisible) {
                loopCount = 2
            } else {
                if (verticalDir) {
                    _rePositionVertically()
                } else {
                    _rePositionHorizontally()
                }
            }
            var animate = function() {
                if (o.duplicated) {
                    if (loopCount === 1) {
                        o._originalDuration = o.duration;
                        if (verticalDir) {
                            o.duration = o.direction === "up" ? o.duration + containerHeight / (elHeight / o.duration) : o.duration * 2
                        } else {
                            o.duration = o.direction === "left" ? o.duration + containerWidth / (elWidth / o.duration) : o.duration * 2
                        }
                        if (animationCss3Str) {
                            animationCss3Str = animationName + " " + o.duration / 1e3 + "s " + o.delayBeforeStart / 1e3 + "s " + o.css3easing
                        }
                        loopCount++
                    } else if (loopCount === 2) {
                        o.duration = o._originalDuration;
                        if (animationCss3Str) {
                            animationName = animationName + "0";
                            keyframeString = $.trim(keyframeString) + "0 ";
                            animationCss3Str = animationName + " " + o.duration / 1e3 + "s 0s infinite " + o.css3easing
                        }
                        loopCount++
                    }
                }
                if (verticalDir) {
                    if (o.duplicated) {
                        if (loopCount > 2) {
                            $marqueeWrapper.css("transform", "translateY(" + (o.direction === "up" ? 0 : "-" + elHeight + "px") + ")")
                        }
                        animationCss = {
                            transform: "translateY(" + (o.direction === "up" ? "-" + elHeight + "px" : 0) + ")"
                        }
                    } else if (o.startVisible) {
                        if (loopCount === 2) {
                            if (animationCss3Str) {
                                animationCss3Str = animationName + " " + o.duration / 1e3 + "s " + o.delayBeforeStart / 1e3 + "s " + o.css3easing
                            }
                            animationCss = {
                                transform: "translateY(" + (o.direction === "up" ? "-" + elHeight + "px" : containerHeight + "px") + ")"
                            };
                            loopCount++
                        } else if (loopCount === 3) {
                            o.duration = o._completeDuration;
                            if (animationCss3Str) {
                                animationName = animationName + "0";
                                keyframeString = $.trim(keyframeString) + "0 ";
                                animationCss3Str = animationName + " " + o.duration / 1e3 + "s 0s infinite " + o.css3easing
                            }
                            _rePositionVertically()
                        }
                    } else {
                        _rePositionVertically();
                        animationCss = {
                            transform: "translateY(" + (o.direction === "up" ? "-" + $marqueeWrapper.height() + "px" : containerHeight + "px") + ")"
                        }
                    }
                } else {
                    if (o.duplicated) {
                        if (loopCount > 2) {
                            $marqueeWrapper.css("transform", "translateX(" + (o.direction === "left" ? 0 : "-" + elWidth + "px") + ")")
                        }
                        animationCss = {
                            transform: "translateX(" + (o.direction === "left" ? "-" + elWidth + "px" : 0) + ")"
                        }
                    } else if (o.startVisible) {
                        if (loopCount === 2) {
                            if (animationCss3Str) {
                                animationCss3Str = animationName + " " + o.duration / 1e3 + "s " + o.delayBeforeStart / 1e3 + "s " + o.css3easing
                            }
                            animationCss = {
                                transform: "translateX(" + (o.direction === "left" ? "-" + elWidth + "px" : containerWidth + "px") + ")"
                            };
                            loopCount++
                        } else if (loopCount === 3) {
                            o.duration = o._completeDuration;
                            if (animationCss3Str) {
                                animationName = animationName + "0";
                                keyframeString = $.trim(keyframeString) + "0 ";
                                animationCss3Str = animationName + " " + o.duration / 1e3 + "s 0s infinite " + o.css3easing
                            }
                            _rePositionHorizontally()
                        }
                    } else {
                        _rePositionHorizontally();
                        animationCss = {
                            transform: "translateX(" + (o.direction === "left" ? "-" + elWidth + "px" : containerWidth + "px") + ")"
                        }
                    }
                }
                $this.trigger("beforeStarting");
                if (css3AnimationIsSupported) {
                    $marqueeWrapper.css(animationString, animationCss3Str);
                    var keyframeCss = keyframeString + " { 100%  " + _objToString(animationCss) + "}"
                      , $styles = $marqueeWrapper.find("style");
                    if ($styles.length !== 0) {
                        $styles.filter(":last").html(keyframeCss)
                    } else {
                        $("head").append("<style>" + keyframeCss + "</style>")
                    }
                    _prefixedEvent($marqueeWrapper[0], "AnimationIteration", function() {
                        $this.trigger("finished")
                    });
                    _prefixedEvent($marqueeWrapper[0], "AnimationEnd", function() {
                        animate();
                        $this.trigger("finished")
                    })
                } else {
                    $marqueeWrapper.animate(animationCss, o.duration, o.easing, function() {
                        $this.trigger("finished");
                        if (o.pauseOnCycle) {
                            _startAnimationWithDelay()
                        } else {
                            animate()
                        }
                    })
                }
                $this.data("runningStatus", "resumed")
            };
            $this.on("pause", methods.pause);
            $this.on("resume", methods.resume);
            if (o.pauseOnHover) {
                $this.on("mouseenter", methods.pause);
                $this.on("mouseleave", methods.resume)
            }
            if (css3AnimationIsSupported && o.allowCss3Support) {
                animate()
            } else {
                _startAnimationWithDelay()
            }
        })
    }
    ;
    $.fn.marquee.defaults = {
        allowCss3Support: true,
        css3easing: "linear",
        easing: "linear",
        delayBeforeStart: 1e3,
        direction: "left",
        duplicated: false,
        duration: 5e3,
        speed: 0,
        gap: 20,
        pauseOnCycle: false,
        pauseOnHover: false,
        startVisible: false
    }
});
